AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Porvoo ∴ Summary
Contact »
(1757) Porvoo  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35201 4.499e-09 au
e 0.125763 2.658e-08
i 3.974 2.74e-06 deg
Ω 39.387 3.692e-05 deg
ω 148.958 3.812e-05 deg
M 199.638 9.728e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0562 au
Aphelion 2.6478 au
Asc. node-Earth separation 1.60292 au
Desc. node-Earth separation 1.08227 au
Earth MOID 1.05808 au
Orbital period 1317.52 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 6422 (593)
Radar observations (Discarded) 0 (0)
Arc length 30968.3 days
Unobserved 88 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 17.7156 deg
Declination 6.63674 deg
V Magnitude 18.9 mag
Solar Elongation -11.42 deg
Galactic Latitude -55.91 deg
Rate 0.424 deg/day
Direction 66.222 deg

More info »